* {
    margin: 0;
    padding: 0;
}

.article {
    display: flex;
    justify-content: center;
    align-items: center;
}

.helicopter {
    height: 400px;
    width: 400px;
    margin-top: 100px;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.helicopter .body-shell {
    position: absolute;
    left: 127px;
    top: 185px;
}

.helicopter .body {
    width: 130px;
    height: 100px;
    border: 1px solid black;
    border-top-right-radius: 100px;
    border-top-left-radius: 50px;
    border-bottom-right-radius: 90px;
    border-bottom-left-radius: 80px;
    position: relative;
    animation: helicopter_fly 5s ease-in 1;

}

.helicopter .body .propeller_circle {
    width: 100px;
    height: 50px;
    border: 1px dashed black;
    border-radius: 50px/25px;
    top: -42px;
    left: 20px;
    position: absolute;
}

.helicopter .body .propeller_paddle {
    width: 100px;
    height: 1px;
    animation: propeller_clockwise 1s linear infinite;
    background-color: black;
    position: absolute;
    top: -15px;
    left: 20px;
}

.helicopter .body .propeller_line {
    width: 0px;
    height: 15px;
    position: absolute;
    border: 1px solid black;
    border-left: transparent;
    top: -15px;
    left: 70px;
}

.helicopter .body .window {
    width: 70px;
    height: 50px;
    border: 1px solid black;
    border-top-left-radius: 25px;
    border-left: transparent;
    border-top: transparent;
}

.helicopter .body .window2 {
    width: 20px;
    height: 20px;
    border: 1px solid black;
    position: absolute;
    top: 29px;
    right: 32px;
}

.helicopter .body .tail1 {
    width: 124px;
    height: 0px;
    border: 1px solid black;
    border-top: transparent;
    position: absolute;
    top: 0px;
    left: 90px;
}

.helicopter .body .tail2 {
    width: 100px;
    height: 0px;
    border: 1px solid black;
    position: absolute;
    border-top: transparent;
    top: 0px;
    left: 116px;
    transform-origin: bottom right;
    transform: rotate(-30deg);
}

.helicopter .body .empennage {
    width: 0px;
    height: 15px;
    border: 1px solid black;
    border-left: transparent;
    position: absolute;
    top: -15px;
    left: 215px;
}

.helicopter .body .empennage_circle {
    width: 40px;
    height: 20px;
    border: 1px dashed black;
    border-radius: 20px/10px;
    top: -29px;
    left: 196px;
    position: absolute;
}

.helicopter .body .empennage_paddle {
    width: 45px;
    height: 1px;
    animation: propeller_anticlockwise 1s linear infinite;
    background-color: black;
    position: absolute;
    top: -16px;
    left: 194px;
}

.helicopter .body .foot_line1 {
    width: 0px;
    height: 15px;
    position: absolute;
    top: 100px;
    left: 50px;
    border: 1px solid black;
    border-right: transparent;
}

.helicopter .body .foot_line2 {
    width: 0px;
    height: 15px;
    position: absolute;
    top: 100px;
    left: 80px;
    border: 1px solid black;
    border-right: transparent;
}

.helicopter .body .foot_line3 {
    width: 120px;
    height: 0px;
    position: absolute;
    top: 116px;
    left: 14px;
    border: 1px solid black;
    border-top: transparent;
}


.floor{


}

@keyframes propeller_clockwise {
    0% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(90deg) scaleX(0.4);
    }
    50% {
        transform: rotate(180deg) scaleX(1);
    }
    75% {
        transform: rotate(270deg) scaleX(0.4);
    }
    100% {
        transform: rotate(360deg) scaleX(1);
    }
}

@keyframes propeller_anticlockwise {
    0% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-90deg) scaleX(0.2);
    }
    50% {
        transform: rotate(-180deg) scaleX(1);
    }
    75% {
        transform: rotate(-270deg) scaleX(0.2);
    }
    100% {
        transform: rotate(-360deg) scaleX(1);
    }
}



@keyframes helicopter_fly {
    0% {
        transform: translateY(0px);
    }
    15% {
        transform: translateY(-40px);
    }

    30% {
        transform: translateY(-40px) rotate(-15deg);
    }

    45%{
    	transform: translateY(-40px) translateX(-300px);opacity:0;
    }

    60%{
    	transform: rotate(-15deg) translateX(300px);opacity:0;
    }

	80%{
    	transform: opacity:1;
    }
    100%{
		transform: translateY(0px);
    }

}

